oj.uz

Submission #332178

# Submission time Handle Problem Language Result Execution time Memory
332178 2020-12-01T15:21:13 Z Valera_Grinenko K blocks (IZhO14_blocks) C++17
100 / 100
 270 ms 80764 KB 
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization ("unroll-loops")
#include <iostream>
#include <fstream>
#include <algorithm>
#include <vector>
#include <set>
#include <stack>
#include <map>
#include <unordered_map>
#include <iomanip>
#include <cmath>
#include <queue>
#include <bitset>
#include <numeric>
#include <array>
#include <cstring>
#include <random>
#include <chrono>
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define make_unique(x) sort(all((x))); (x).resize(unique(all((x))) - (x).begin())
typedef long long ll;
typedef long double ld;
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
// template<class T>
// using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
const int N = 1e5 + 42, K = 102;
ll dp[K][N], a[N];
int main() {

  ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

  int n, k;

  cin >> n >> k;

  for(int i = 1; i <= n; i++) cin >> a[i];

  for(int i = 1; i <= k; i++)
    for(int j = 1; j <= n; j++)
      dp[i][j] = 1e18 + 42;

  dp[1][1] = a[1];

  for(int i = 2; i <= n; i++) dp[1][i] = max(dp[1][i - 1], a[i]);

  for(int ck = 2; ck <= k; ck++) {
    stack<pair<ll,ll> > av;
    for(int j = ck; j <= n; j++) {
      ll cur = dp[ck - 1][j - 1];
      while(!av.empty() && a[av.top().fi] <= a[j]) {
        cur = min(cur, av.top().se);
        av.pop();
      }
      if(!av.empty()) dp[ck][j] = min(dp[ck][j], dp[ck][av.top().fi]);
      dp[ck][j] = min(dp[ck][j], cur + a[j]);
      av.push(mp(j, cur));
    }
  }

  cout << dp[k][n];

  return 0;
}
/*

*/

Compilation message

blocks.cpp:3: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
    3 | #pragma GCC optimization ("unroll-loops")
      |

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 492 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 492 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 0 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 1 ms 492 KB Output is correct
39 Correct 1 ms 620 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 236 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 492 KB Output is correct
52 Correct 1 ms 492 KB Output is correct
53 Correct 1 ms 1004 KB Output is correct
54 Correct 1 ms 1024 KB Output is correct
55 Correct 1 ms 640 KB Output is correct
56 Correct 1 ms 1004 KB Output is correct
57 Correct 1 ms 1004 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 0 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 492 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 1 ms 492 KB Output is correct
39 Correct 1 ms 620 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 236 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 492 KB Output is correct
52 Correct 1 ms 492 KB Output is correct
53 Correct 1 ms 1004 KB Output is correct
54 Correct 1 ms 1024 KB Output is correct
55 Correct 1 ms 640 KB Output is correct
56 Correct 1 ms 1004 KB Output is correct
57 Correct 1 ms 1004 KB Output is correct
58 Correct 6 ms 2540 KB Output is correct
59 Correct 5 ms 1388 KB Output is correct
60 Correct 10 ms 3436 KB Output is correct
61 Correct 73 ms 27756 KB Output is correct
62 Correct 209 ms 80236 KB Output is correct
63 Correct 15 ms 4204 KB Output is correct
64 Correct 102 ms 37112 KB Output is correct
65 Correct 1 ms 492 KB Output is correct
66 Correct 1 ms 620 KB Output is correct
67 Correct 1 ms 620 KB Output is correct
68 Correct 1 ms 620 KB Output is correct
69 Correct 1 ms 364 KB Output is correct
70 Correct 1 ms 492 KB Output is correct
71 Correct 28 ms 8940 KB Output is correct
72 Correct 2 ms 620 KB Output is correct
73 Correct 8 ms 2540 KB Output is correct
74 Correct 6 ms 1388 KB Output is correct
75 Correct 14 ms 3436 KB Output is correct
76 Correct 94 ms 27756 KB Output is correct
77 Correct 260 ms 80236 KB Output is correct
78 Correct 16 ms 4204 KB Output is correct
79 Correct 122 ms 37100 KB Output is correct
80 Correct 14 ms 2540 KB Output is correct
81 Correct 34 ms 9708 KB Output is correct
82 Correct 270 ms 80236 KB Output is correct
83 Correct 1 ms 364 KB Output is correct
84 Correct 1 ms 512 KB Output is correct
85 Correct 26 ms 8940 KB Output is correct
86 Correct 3 ms 748 KB Output is correct
87 Correct 9 ms 2668 KB Output is correct
88 Correct 5 ms 1388 KB Output is correct
89 Correct 14 ms 3732 KB Output is correct
90 Correct 86 ms 28124 KB Output is correct
91 Correct 253 ms 80764 KB Output is correct
92 Correct 16 ms 4788 KB Output is correct
93 Correct 121 ms 37688 KB Output is correct
94 Correct 2 ms 620 KB Output is correct
95 Correct 23 ms 8812 KB Output is correct
96 Correct 1 ms 492 KB Output is correct
97 Correct 1 ms 384 KB Output is correct
98 Correct 1 ms 364 KB Output is correct
99 Correct 1 ms 364 KB Output is correct